179 citations · 534 across the 33 of their papers we have counts for
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Comprehensive Analysis of Behavioral Hardware Impairments in Cell-Free Massive MIMO-OFDM Uplink: Centralized Operation
Özlem Tuğfe Demir, Muhammed Selman Somuncu, Ahmet M. Elbir +1
Cell-free massive MIMO is a key 6G technology, offering superior spectral and energy efficiency. However, its dense deployment of low-cost access points (APs) makes hardware impair…
A New Wireless Image Transmission System Using Code Index Modulation and Image Enhancement for High-Rate Next Generation Networks
Burak Ahmet Ozden, Erdogan Aydin, Ahmet Elbir +1
With the development of wireless network technologies, the wireless image transmission area has become prominent. The need for high resolution, data traffic density, widespread use…
Hybrid Beamforming for Integrated Sensing and Communications With Low Resolution DACs
Ahmet M. Elbir, Abdulkadir Celik, Ahmed M. Eltawil
Integrated sensing and communications (ISAC) has emerged as a means to efficiently utilize spectrum and thereby save cost and power. At the higher end of the spectrum, ISAC systems…
Near-Field Signal Processing: Unleashing the Power of Proximity
Ahmet M. Elbir, Özlem Tuğfe Demir, Kumar Vijay Mishra +2
After nearly a century of specialized applications in optics, remote sensing, and acoustics, the near-field (NF) electromagnetic propagation zone is experiencing a resurgence in re…
The Curse of Beam-Squint in ISAC: Causes, Implications, and Mitigation Strategies
Ahmet M. Elbir, Kumar Vijay Mishra, Abdulkadir Celik +1
Integrated sensing and communications (ISAC) has emerged as a means to efficiently utilize spectrum and thereby save cost and power. At the higher end of the spectrum, ISAC systems…
Index Modulation for Integrated Sensing and Communications: A Signal Processing Perspective
Ahmet M. Elbir, Abdulkadir Celik, Ahmed M. Eltawil +1
A joint design of both sensing and communication can lead to substantial enhancement for both subsystems in terms of size, cost as well as spectrum and hardware efficiency. In the…